Tripp Lite SU80K owner manual Online Mode Parallel UPS, Battery Backup Mode Parallel UPS

7 – Operating Modes (continued)

1

7-5 Online Mode (Parallel UPS)

Parallel redundancy (1+1) provides UPS system redundancy or

2 increased total capacity. Under parallel redundancy, the total load is shared by two UPS systems. If one of the UPS systems malfunctions, the total connected equipment load is supported by the remaining UPS system. If the total load exceeds the capacity of the remaining UPS system, it will switch to auto bypass mode.

3

4

5

	CB3
MAIN	CB2	CB1		CB4
		XFMR		XFMR
			CB5	STS
				UPS1
	CB3

MAIN	CB2	CB1		CB4
		XFMR		XFMR
			CB5	STS

UPS2

LOAD

67-6 Battery Backup Mode (Parallel UPS)

Similar to on battery backup mode for a single UPS system (Section

7-2), except the total connected equipment load is shared by the parallel (1+1) UPS systems.

7

8

9

	CB3
MAIN	CB2	CB1		CB4
		XFMR		XFMR
			CB5	STS
				UPS1
	CB3

MAIN	CB2	CB1		CB4
		XFMR		XFMR
			CB5	STS

UPS2

LOAD

10

7-7 Auto Bypass Mode (Parallel UPS)

Similar to auto bypass mode for a single UPS system (Section 7-3), except with parallel (1+1) UPS systems.

11

12

13

18

	CB3
MAIN	CB2	CB1		CB4
		XFMR		XFMR
			CB5	STS
				UPS1
	CB3

MAIN	CB2	CB1		CB4
		XFMR		XFMR
			CB5	STS

UPS2

LOAD

200803004 93-2793 SU80k manual 4C.indd E18 6/16/2008 1:43:27 PM